| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include "FunctionDifference.hpp" |
| |
| |
| |
| #include <xalanc/PlatformSupport/XalanMessageLoader.hpp> |
| |
| |
| |
| #include <xalanc/XPath/XPathExecutionContext.hpp> |
| #include <xalanc/XPath/XObjectFactory.hpp> |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| FunctionDifference::FunctionDifference() |
| { |
| } |
| |
| |
| |
| FunctionDifference::~FunctionDifference() |
| { |
| } |
| |
| |
| |
| XObjectPtr |
| FunctionDifference::execute( |
| XPathExecutionContext& executionContext, |
| XalanNode* context, |
| const XObjectArgVectorType& args, |
| const Locator* locator) const |
| { |
| if (args.size() != 2) |
| { |
| generalError( |
| executionContext, |
| context, |
| locator); |
| } |
| |
| assert(args[0].null() == false && args[1].null() == false); |
| |
| const NodeRefListBase& nodeset1 = args[0]->nodeset(); |
| const NodeRefListBase& nodeset2 = args[1]->nodeset(); |
| |
| typedef XPathExecutionContext::BorrowReturnMutableNodeRefList BorrowReturnMutableNodeRefList; |
| |
| BorrowReturnMutableNodeRefList theResult(executionContext); |
| |
| const NodeRefListBase::size_type theLength = nodeset1.getLength(); |
| |
| // Check the second node-set for nodes in the |
| // first node-set. If a node is not found, |
| // add it to the result. |
| for (NodeRefListBase::size_type i = 0; i < theLength; ++i) |
| { |
| XalanNode* const theNode = nodeset1.item(i); |
| assert(theNode != 0); |
| |
| if (nodeset2.indexOf(theNode) == NodeRefListBase::npos) |
| { |
| theResult->addNodeInDocOrder(theNode, executionContext); |
| } |
| } |
| |
| theResult->setDocumentOrder(); |
| |
| return executionContext.getXObjectFactory().createNodeSet(theResult); |
| } |
| |
| |
| |
| FunctionDifference* |
| FunctionDifference::clone(MemoryManager& theManager) const |
| { |
| return XalanCopyConstruct(theManager, *this); |
| } |
| |
| |
| |
| const XalanDOMString& |
| FunctionDifference::getError(XalanDOMString& theResult) const |
| { |
| return XalanMessageLoader::getMessage( |
| theResult, |
| XalanMessages::FunctionAcceptsTwoArguments_1Param, |
| "difference"); |
| } |
| |
| |
| |
| } |